National Dental Examining Board of Canada (NDEB) Practice Exam 2025 - Free NDEB Practice Questions and Study Guide

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During orthodontic treatment, poor oral hygiene may result in what?

Marginal gingivitis and gingival fibrosis

During orthodontic treatment, it is important to maintain good oral hygiene practices. Poor oral hygiene can lead to the buildup of plaque and bacteria, which can cause various issues such as tooth decay and enamel erosion (option B), as well as gum inflammation (gingivitis) and scarring of the gums (gingival fibrosis) (option A). It can also cause the surrounding bone to weaken, leading to tooth mobility and potential bone loss (option C). Therefore, maintaining proper oral hygiene is crucial during orthodontic treatment to avoid these potential consequences. Option D, none of the above, is incorrect as proper oral hygiene is important for maintaining overall oral health during orthodontic treatment.

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Tooth decay and enamel erosion

Tooth mobility and bone loss

None of the above

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